Finding the Third Proportional to 3,116,928 and 4,223,808

Step by Step Solution

1. Step 1: Write the proportion equation
   3,116,928 : 4,223,808 = 4,223,808 : x
2. Step 2: Convert to fraction form
   3,116,928/4,223,808 = 4,223,808/x
3. Step 3: Cross multiply
   3,116,928x = 4,223,808 × 4,223,808
4. Step 4: Simplify right side
   3,116,928x = 17,840,554,020,864
5. Step 5: Solve for x
   x = 17,840,554,020,864/3,116,928
6. Step 6: Final answer
   x = 5,723,761.99